Clinical characteristics of infants with RSV-confirmed lower respiratory tract infection versus those whose admissions for lower respiratory tract infection were RSV-negative
| Characteristic | RSV-confirmed n = 17 | RSV-negative n = 40 |
|---|---|---|
| Gestational age, wk, mean ± SD | 37.7 ± 2.5 | 37.8 ± 2.3 |
| Birth weight, g, mean ± SD | 2939 ± 748 | 2778 ± 651 |
| Male sex, % (95% CI) | 47 (23–72) | 50 (34–66) |
| Age at first in-season hospital admission, mo, median (IQR) | 5 (4–10) | 6 (4–13) |
| Type of congenital heart disease,* % (95% CI) | ||
| Cyanotic | 47 (23–72) | 50 (34–66) |
| Left–right shunt | 35 (14–62) | 33 (19–49) |
| Obstructive lesion | 12 (1.5–36) | 5 (0.6–17) |
| Cardiomyopathy | 6 (0.0–29) | 2 (0.0–13) |
| Combination | 0 | 10 (2.8–24) |
| Surgical correction, % (95% CI) | 47 (23–72) | 48 (32–64)† |
| Required bypass procedure, % (95% CI) | 25 (7.3–52)‡ | 40 (24–58)§ |
| Died, % (95% CI) | 12 (1.5–36) | 7 (1.5–20) |